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SPQuery Class

Windows SharePoint Services 3

Represents a query in a list view.

System.Object
  Microsoft.SharePoint.SPQuery

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public class SPQuery

The following code example displays the titles of items in a Tasks list where the Status column equals Completed. The example uses Collaborative Application Markup Language (CAML) to define the query.

This example requires using directives (Imports in Microsoft Visual Basic) for the [Microsoft.SharePoint] and [Microsoft.SharePoint.Utilities] namespaces.

using (SPWeb oWebsiteRoot = SPContext.Current.Site.RootWeb)
{

    SPList oList = oWebsiteRoot.Lists["Tasks"];

    SPQuery oQuery = new SPQuery();
    oQuery.Query = "<Where><Eq><FieldRef Name='Status'/>" +
        "<Value Type='Text'>Completed</Value></Eq></Where>";
    SPListItemCollection collListItems = oList.GetItems(oQuery);

    foreach (SPListItem oListItem in collListItems)
    {
        Response.Write(SPEncode.HtmlEncode(oListItem["Title"].ToString()) + 
            "<BR>");
    }
}
NoteNote

Certain objects implement the IDisposable interface, and you must avoid retaining these objects in memory after they are no longer needed. For information about good coding practices, see Best Practices: Using Disposable Windows SharePoint Services Objects.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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